312323421 has 8 divisors (see below), whose sum is σ = 419471424. Its totient is φ = 206695520.

The previous prime is 312323393. The next prime is 312323423. The reversal of 312323421 is 124323213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312323421 - 2⁷ = 312323293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312323423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379545 + ... + 380366.

It is an arithmetic number, because the mean of its divisors is an integer number (52433928).

Almost surely, 2^312323421 is an apocalyptic number.

It is an amenable number.

312323421 is a deficient number, since it is larger than the sum of its proper divisors (107148003).

312323421 is a wasteful number, since it uses less digits than its factorization.

312323421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760051.

The product of its digits is 864, while the sum is 21.

The square root of 312323421 is about 17672.6744156056. The cubic root of 312323421 is about 678.4765642941.

Adding to 312323421 its reverse (124323213), we get a palindrome (436646634).

The spelling of 312323421 in words is "three hundred twelve million, three hundred twenty-three thousand, four hundred twenty-one".